TARA Pearls 8-8.5mm Natural Color Akoya Cultured Pearl Sterling Silver Leverback Earrings Lustrous 8-8.5mm Natural Color Akoya Cultured Pearls. Akoya pearls are the classic cultured pearls of Japan. They are the most lustrous of all pearls found anywhere in the world. The Akoya pearl is either white or cream in body color and can have yellow, pink or blue hues. It typically has an excellent, good or fair luster, which is why the Akoya is such a prized gem. The Japanese Akoya, Pinctada fucata martensii, produces pearls between two and ten millimeters in size, the industry standard for many decades. These Classic Sterling Silver Leverback earrings includes a high quality TARA Pearls branded box, pearl care kit to help preserve the beauty of your purchase and a Certificate of Authenticity. Assembled and Quality Controlled in the USA by GIA certified specialists. The natural properties and process of pearl formation define the unique beauty of each pearl. The image may show slight differences in texture, color, size and shape. TARA Pearls is a world renowned design house with 40+ years of experience in the fine jewelry industry. TARA is known for our unsurpassed artisan craftsmanship and a commitment to working with only the finest Tahitian & South Sea cultured pearls and diamonds creating jewelry that is elegant, classic, and contemporary. TARA Pearls is one of the only Foundation members of the Cultured Pearl Association of America on Amazon.